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Communication Protocol - Agilent Technologies Turbo-V 70 PCB 24 Vdc Notice De Mode D'emploi

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  • FRANÇAIS, page 34
17
Technical Information
Data Exchange Protocols

Communication Protocol

The communication protocol is of the master/slave type, where:
To send a command by the serial interface, the controller must be set to
NOTE
"REMOTE OFF" of operation, otherwise it is only possible to read the data.
The master send to the slave a word according to the following
format:
slave
address
where:
1
0=
parameter
reading
1 =
parameter
writing
186/208
Host = Master
Controller = slave
Parameter
number
Slave Address: controller number requested by the master. In
RS-232 version the address is set equal to "001";
Parameter Number: it points out to the controller about which
parameter the master wants to operate, and about the kind of
operation (read/write). It consists of:
2
3
always 0
000 to 299 = commands
300 to 699 = status
700 to 999 = parameter
Turbo-V 70 PCB 24 Vdc Controller User Manual / 87-900-933-01
data
data
field
length
4
check
CR
sum
5
(H)

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